#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<string>
using namespace std;
int main() {
    string str;
    getline(cin, str);
    size_t pos = str.rfind(' ');
    if (pos != string::npos) {
        cout << str.size() - pos - 1 << endl;
    }
    else {
        cout << str.size() << endl;
    }
    return 0;
}